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AD9911BCPZ-REEL7 Folha de dados(PDF) 2 Page - Analog Devices |
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AD9911BCPZ-REEL7 Folha de dados(HTML) 2 Page - Analog Devices |
2 / 44 page AD9911 Rev. 0 | Page 2 of 44 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Functional Block Diagram .............................................................. 3 Specifications..................................................................................... 4 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. 9 Equivalent Input and Output Circuits....................................... 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 12 Application Circuits ....................................................................... 17 Theory of Operation ...................................................................... 18 Primary DDS Core ..................................................................... 18 SpurKiller/Multitone Mode and Test-Tone Modulation....... 18 D/A Converter ............................................................................ 18 Modes of Operation ....................................................................... 19 Single-Tone Mode ...................................................................... 19 SpurKiller/Multitone Mode ...................................................... 19 Test-tone Mode ........................................................................... 20 Reference Clock Modes ............................................................. 20 Scalable DAC Reference Current Control Mode ................... 21 Power-Down Functions............................................................. 21 Shift Keying Modulation ........................................................... 21 Shift Keying Modulation Using SDIO Pins for RU/RD ........ 23 Linear Sweep (Shaped) Modulation Mode ............................. 23 Linear Sweep No Dwell Mode .................................................. 25 Sweep and Phase Accumulator Clearing Functions .............. 26 Output Amplitude Control ....................................................... 26 Synchronizing Multiple AD9911 Devices ................................... 28 Operation .................................................................................... 28 Automatic Mode Synchronization ........................................... 28 Manual Software Mode Synchronization................................ 28 Manual Hardware Mode Synchronization.............................. 28 I/O_Update, SYNC_CLK, and System Clock Relationships............................................................................... 29 I/O Port............................................................................................ 30 Overview ..................................................................................... 30 Instruction Byte Description .................................................... 30 I/O Port Pin Description........................................................... 31 I/O Port Function Description ................................................. 31 MSB/LSB Transfer Description ................................................ 31 I/O Modes of Operation............................................................ 31 Register Maps.................................................................................. 35 Control Register Map ................................................................ 35 Channel Register Map ............................................................... 36 Profile Register Map................................................................... 37 Control Register Descriptions ...................................................... 38 Channel Select Register (CSR) ................................................. 38 Channel Function Register (CFR) Description...................... 39 Outline Dimensions ....................................................................... 41 Ordering Guide .......................................................................... 41 REVISION HISTORY 5/06—Revision 0: Initial Version |
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Descrição semelhante - AD9911BCPZ-REEL7 |
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